Oppo R3 vs Samsung Gear S2 classic 3G
Oppo R3
Samsung Gear S2 classic 3G
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkTD-SCDMA 1880-1920/2010-2025HSDPA
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4G networkTD-LTE 1880-1920/ 2300-2400/ 2570-2620-
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HSPA+ speedHSPA+-
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LTE speedLTE-
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GPRSYesNo
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EDGEYesNo
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Availability
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Oficially announced2014-62016-2
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Status2014-72016-3
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Design
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Build-Stainless Steel
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SIMMicro-SIMElectronic SIM card (e-SIM)
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Height142.3 mm44 mm
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Width70.4 mm46.9 mm
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Thickness6.3 mm13.4 mm
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Weight140 g54 g
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ColorsBlack, whiteBlack, Rose Gold, ceramic bracelet
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Display
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Display typeIPS LCD capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size5.0 inches1.2 inches
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Resolution720 x 1280 pixels360 x 360 pixels
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Pixel density294 ppi424 ppi
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Display colors1677721616777216
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Protection-Corning Gorilla Glass 3
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Multitouch-Yes
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Hardware
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CPUQuad-core 1.6 GHz ARM Cortex-A7Dual-core 1.0 GHz ARM Cortex-A7
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ChipsetQualcomm Snapdragon 400Exynos 3250 Dual
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GPUAdreno 305Mali-400MP2
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Memory RAM1 GB512 MB
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Internal storage8 GB4 GB
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Memory cardmicroSD
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Memory card max128 GB-
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OS
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OSAndroid OS, v4.3 (Jelly Bean)Tizen-based wearable platform
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Main camera
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Main camera8 MP
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Primary camera resolution3264 x 2448 pixels-
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Primary camera video1080p-
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Primary camera Autofocusautofocus-
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Primary camera flashLED flash-
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Selfie camera
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Selfie camera5 MP
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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NotificationsVibration, MP3, WAV ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio-No
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Radio FMStereo FM radio with RDS-
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n, 802.11e
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WLAN WiFi HotspotYes-
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WLAN WiFi DirectYes-
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WLAN WiFi UpnpYes-
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USBmicroUSB 2.0
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Bluetoothv4.0v4.1
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Bluetooth A2DPYes-
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NFC-Yes
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GPSYes, with A-GPSNo
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Features
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Messaging SMSSMS(threaded view)SMS(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IM-IM
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Messaging Push EmailPush Email-
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JavaYes, via Java MIDP emulatorNo
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Sensors-Accelerometer, barometer, gyro, heart rate
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Browser
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HTMLHTML5-
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Browser-No
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity2410 mAh300 mAh
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Battery removable-Non-removable
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Talk time-48 h
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Standby time--
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Standby time 3G-48 h